TY  - RPRT
TI  - Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1987
AU  - George R. Schiner
PY  - 1987
DO  - 10.3133/ofr87464
UR  - https://pubs.usgs.gov/publication/ofr87464
ID  - ofr87464
ER  -